Messages in this thread | | | Date | Wed, 27 Nov 2013 09:55:47 -0800 | From | "H. Peter Anvin" <> | Subject | Re: [PATCH v2] use -fstack-protector-strong |
| |
On 11/27/2013 09:54 AM, Ingo Molnar wrote: >> >> Looks to be 2% for defconfig. That's way better. Shall I send a v3? > > Well, it's better than 9%, but still almost an order of magnitude > higher than the cost is today, and a lot of distros have > CONFIG_CC_STACKPROTECTOR=y. > > So it would be nice to measure how much the instruction count goes up > in some realistic system-bound test. How much does something like > kernel/built-in.o increase, as per 'size' output? >
Do we need CONFIG_CC_STACKPROTECTOR_STRONG?
-hpa
| |